Ether modified polyesterimide resins
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United States of America Patent
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Sep 2, 1986
Grant Date -
N/A
app pub date -
Oct 22, 1985
filing date -
Oct 22, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Ether modified polyesterimide resins are prepared by reacting under esterimide forming conditions substantially free of inert solvents a mixture consisting essentially of: (i) a diamine, (ii) a carboxylic acid anhydride containing at least one additional carboxylic group, (iii) an aromatic bis (ether anhydride) or the corresponding acid thereof, (iv) terephthalic acid and/or isophthalic acid, (v) a polyhydric alcohol having at least two hydroxyl groups, and (vi) optionally, a monoether of diethylene glycol or a monoether of triethylene glycol.
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